YAESU FT-26 EXPANDED RF REMOVE SCREWS HOLDING BATTERY TRACK. REMOVE 2 SCREWS HOLDING BACK COVER. LOCATE CONTROL BOARD AND REMOVE SOLDER ACROSS JUMPER PAD 10. SOLDER ACROSS PADS 1, 3, 7, AND 8. REASSEMBLE RADIO. TURN ON RADIO AND EACH CHANNEL SHOULD BLINK. ENTER FOLLOWING FREQS. USE F AND UP ARROW KEYS. CH. 1 135.000 PRESS D/MR THIS IS LOWER RX LIMIT CH. 2 174.000 PRESS D/MR THIS IS UPPER RX LIMIT CH. 3 135.000 PRESS D/MR THIS IS LOWER TX LIMIT CH. 4 174.000 PRESS D/MR THIS IS UPPER TX LIMIT. PRESS AND HOLD T AND REV. AND TURN ON.